blob: 508d1b077dfb109ca653c11ef0e73a54085fd153 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/*=============================================================================
Copyright (c) 2001-2007 Joel de Guzman
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
==============================================================================*/
#ifndef PHOENIX_OBJECT_STATIC_CAST_HPP
#define PHOENIX_OBJECT_STATIC_CAST_HPP
#include <boost/spirit/home/phoenix/core/compose.hpp>
namespace boost { namespace phoenix
{
namespace impl
{
template <typename T>
struct static_cast_eval
{
template <typename Env, typename U>
struct result
{
typedef T type;
};
template <typename RT, typename Env, typename U>
static RT
eval(Env const& env, U& obj)
{
return static_cast<RT>(obj.eval(env));
}
};
}
template <typename T, typename U>
inline actor<typename as_composite<impl::static_cast_eval<T>, U>::type>
static_cast_(U const& obj)
{
return compose<impl::static_cast_eval<T> >(obj);
}
}}
#endif
|